Lines Matching +full:secure +full:- +full:regions
1 // SPDX-License-Identifier: GPL-2.0-only
63 struct ocmem_region *regions; member
103 writel(data, ocmem->mmio + reg); in ocmem_write()
108 return readl(ocmem->mmio + reg); in ocmem_read()
117 for (i = 0; i < ocmem->config->num_regions; i++) { in update_ocmem()
118 struct ocmem_region *region = &ocmem->regions[i]; in update_ocmem()
120 if (region->mode == THIN_MODE) in update_ocmem()
124 dev_dbg(ocmem->dev, "ocmem_region_mode_control %x\n", in update_ocmem()
129 for (i = 0; i < ocmem->config->num_regions; i++) { in update_ocmem()
130 struct ocmem_region *region = &ocmem->regions[i]; in update_ocmem()
133 data = OCMEM_PSGSC_CTL_MACRO0_MODE(region->macro_state[0]) | in update_ocmem()
134 OCMEM_PSGSC_CTL_MACRO1_MODE(region->macro_state[1]) | in update_ocmem()
135 OCMEM_PSGSC_CTL_MACRO2_MODE(region->macro_state[2]) | in update_ocmem()
136 OCMEM_PSGSC_CTL_MACRO3_MODE(region->macro_state[3]); in update_ocmem()
145 if (addr < ocmem->memory->start || addr >= ocmem->memory->end) in phys_to_offset()
148 return addr - ocmem->memory->start; in phys_to_offset()
167 for (i = 0; i < ocmem->config->num_regions; i++) { in update_range()
168 struct ocmem_region *region = &ocmem->regions[i]; in update_range()
170 if (buf->offset <= offset && offset < buf->offset + buf->len) in update_range()
171 region->mode = rmode; in update_range()
173 for (j = 0; j < region->num_macros; j++) { in update_range()
174 if (buf->offset <= offset && in update_range()
175 offset < buf->offset + buf->len) in update_range()
176 region->macro_state[j] = mstate; in update_range()
178 offset += region->macro_size; in update_range()
191 devnode = of_parse_phandle(dev->of_node, "sram", 0); in of_get_ocmem()
192 if (!devnode || !devnode->parent) { in of_get_ocmem()
195 return ERR_PTR(-ENODEV); in of_get_ocmem()
198 pdev = of_find_device_by_node(devnode->parent); in of_get_ocmem()
200 dev_err(dev, "Cannot find device node %s\n", devnode->name); in of_get_ocmem()
202 return ERR_PTR(-EPROBE_DEFER); in of_get_ocmem()
209 put_device(&pdev->dev); in of_get_ocmem()
210 return ERR_PTR(-ENODEV); in of_get_ocmem()
224 return ERR_PTR(-ENODEV); in ocmem_allocate()
227 return ERR_PTR(-EINVAL); in ocmem_allocate()
229 if (test_and_set_bit_lock(BIT(client), &ocmem->active_allocations)) in ocmem_allocate()
230 return ERR_PTR(-EBUSY); in ocmem_allocate()
234 ret = -ENOMEM; in ocmem_allocate()
238 buf->offset = 0; in ocmem_allocate()
239 buf->addr = device_address(ocmem, client, buf->offset); in ocmem_allocate()
240 buf->len = size; in ocmem_allocate()
246 buf->offset, buf->len, WIDE_MODE); in ocmem_allocate()
248 dev_err(ocmem->dev, "could not lock: %d\n", ret); in ocmem_allocate()
249 ret = -EINVAL; in ocmem_allocate()
253 ocmem_write(ocmem, OCMEM_REG_GFX_MPU_START, buf->offset); in ocmem_allocate()
255 buf->offset + buf->len); in ocmem_allocate()
258 dev_dbg(ocmem->dev, "using %ldK of OCMEM at 0x%08lx for client %d\n", in ocmem_allocate()
259 size / 1024, buf->addr, client); in ocmem_allocate()
266 clear_bit_unlock(BIT(client), &ocmem->active_allocations); in ocmem_allocate()
285 buf->offset, buf->len); in ocmem_free()
287 dev_err(ocmem->dev, "could not unlock: %d\n", ret); in ocmem_free()
295 clear_bit_unlock(BIT(client), &ocmem->active_allocations); in ocmem_free()
301 struct device *dev = &pdev->dev; in ocmem_dev_probe()
307 return -EPROBE_DEFER; in ocmem_dev_probe()
311 return -ENOMEM; in ocmem_dev_probe()
313 ocmem->dev = dev; in ocmem_dev_probe()
314 ocmem->config = device_get_match_data(dev); in ocmem_dev_probe()
316 ocmem->core_clk = devm_clk_get(dev, "core"); in ocmem_dev_probe()
317 if (IS_ERR(ocmem->core_clk)) in ocmem_dev_probe()
318 return dev_err_probe(dev, PTR_ERR(ocmem->core_clk), in ocmem_dev_probe()
321 ocmem->iface_clk = devm_clk_get_optional(dev, "iface"); in ocmem_dev_probe()
322 if (IS_ERR(ocmem->iface_clk)) in ocmem_dev_probe()
323 return dev_err_probe(dev, PTR_ERR(ocmem->iface_clk), in ocmem_dev_probe()
326 ocmem->mmio = devm_platform_ioremap_resource_byname(pdev, "ctrl"); in ocmem_dev_probe()
327 if (IS_ERR(ocmem->mmio)) in ocmem_dev_probe()
328 return dev_err_probe(&pdev->dev, PTR_ERR(ocmem->mmio), in ocmem_dev_probe()
331 ocmem->memory = platform_get_resource_byname(pdev, IORESOURCE_MEM, in ocmem_dev_probe()
333 if (!ocmem->memory) { in ocmem_dev_probe()
335 return -ENXIO; in ocmem_dev_probe()
339 WARN_ON(clk_set_rate(ocmem->core_clk, 1000) < 0); in ocmem_dev_probe()
341 ret = clk_prepare_enable(ocmem->core_clk); in ocmem_dev_probe()
343 return dev_err_probe(ocmem->dev, ret, "Failed to enable core clock\n"); in ocmem_dev_probe()
345 ret = clk_prepare_enable(ocmem->iface_clk); in ocmem_dev_probe()
347 clk_disable_unprepare(ocmem->core_clk); in ocmem_dev_probe()
348 return dev_err_probe(ocmem->dev, ret, "Failed to enable iface clock\n"); in ocmem_dev_probe()
355 dev_err_probe(dev, ret, "Could not enable secure configuration\n"); in ocmem_dev_probe()
367 ocmem->num_ports = OCMEM_HW_PROFILE_NUM_PORTS(reg); in ocmem_dev_probe()
368 ocmem->num_macros = OCMEM_HW_PROFILE_NUM_MACROS(reg); in ocmem_dev_probe()
369 ocmem->interleaved = !!(reg & OCMEM_HW_PROFILE_INTERLEAVING); in ocmem_dev_probe()
371 num_banks = ocmem->num_ports / 2; in ocmem_dev_probe()
372 region_size = ocmem->config->macro_size * num_banks; in ocmem_dev_probe()
374 dev_info(dev, "%u ports, %u regions, %u macros, %sinterleaved\n", in ocmem_dev_probe()
375 ocmem->num_ports, ocmem->config->num_regions, in ocmem_dev_probe()
376 ocmem->num_macros, ocmem->interleaved ? "" : "not "); in ocmem_dev_probe()
378 ocmem->regions = devm_kcalloc(dev, ocmem->config->num_regions, in ocmem_dev_probe()
380 if (!ocmem->regions) { in ocmem_dev_probe()
381 ret = -ENOMEM; in ocmem_dev_probe()
385 for (i = 0; i < ocmem->config->num_regions; i++) { in ocmem_dev_probe()
386 struct ocmem_region *region = &ocmem->regions[i]; in ocmem_dev_probe()
388 if (WARN_ON(num_banks > ARRAY_SIZE(region->macro_state))) { in ocmem_dev_probe()
389 ret = -EINVAL; in ocmem_dev_probe()
393 region->mode = MODE_DEFAULT; in ocmem_dev_probe()
394 region->num_macros = num_banks; in ocmem_dev_probe()
396 if (i == (ocmem->config->num_regions - 1) && in ocmem_dev_probe()
398 region->macro_size = ocmem->config->macro_size / 2; in ocmem_dev_probe()
399 region->region_size = region_size / 2; in ocmem_dev_probe()
401 region->macro_size = ocmem->config->macro_size; in ocmem_dev_probe()
402 region->region_size = region_size; in ocmem_dev_probe()
405 for (j = 0; j < ARRAY_SIZE(region->macro_state); j++) in ocmem_dev_probe()
406 region->macro_state[j] = CLK_OFF; in ocmem_dev_probe()
414 clk_disable_unprepare(ocmem->core_clk); in ocmem_dev_probe()
415 clk_disable_unprepare(ocmem->iface_clk); in ocmem_dev_probe()
423 clk_disable_unprepare(ocmem->core_clk); in ocmem_dev_remove()
424 clk_disable_unprepare(ocmem->iface_clk); in ocmem_dev_remove()
440 { .compatible = "qcom,msm8226-ocmem", .data = &ocmem_8226_config },
441 { .compatible = "qcom,msm8974-ocmem", .data = &ocmem_8974_config },